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TROUBLESHOOTING GUIDE
E-29
NO
YES
NO
DECK DOES NOT ACCEPT
OPEN/CLOSE
Is the voltage at pin 3, 18 and
19 of IC2301 about DC6V ?
Check P.CON +6V line of
POWER BLOCK.
YES
Is the lose connection
at CD2302 to DECK ?
Check CP2302 connection
to DECK.
Check loader block.
(DVD SECTION)
NO PLAYBACK PICTURE OF AV
JACK
Check LOADER BLOCK.
Is there voltage
(beam current) at
JG017 and JG019 ?
Yes
No
Is there VIDEO signal at
pins 183, 184, 186, 187
and 189 of IC4001 ?
Change IC4001.
No
Yes
No
Yes
Check J8007 and peripheral
circuit.
Is there signal at pins
196, 198, 201, 203, 206
and 208 of IC4001?
Check IC4001 and peripheral
circuit.